Model
Rockford Fosgate P3SD4-8
Rating
DIAM
8"
FS(Hz)
39
VAS(l)
15.8
QTS
0.87
PWR(W)
300
SPL(dB)
81.3
IMP(Ohm)
4x2
avb
PROD
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
39
Vas(l)
15.8
Qts
0.87
Qms
5
Qes
1.053
Bl(Tm)
10.1
Mms(gr)
72
Cms(mm/N)
0.23
Rms(kg/s)
3.548
Le(mH)
0
Re(Ohm)
6
Sd(sq.mm)
22000
Vd(l)
0.348
X-max(mm)
16
X-mech(mm)
0
General Parameters
Diameter (inch)
8
Max Power(W.)
300
RMS Power(W.)
150
Number of Coils
2
Impedance Z-Nom(Ohm)
4
Reference efficiency η0(%)
0
Sensitivity(dB) 1-W
81.3
Sensitivity(dB) 2.8-V
0
Mounting Information
Speaker Displacement (l)
1.13
Total Diameter (mm)
0
Cutout Diameter (mm)
181
Mounting Depth (mm)
68
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, BP4
